60 lines
1.7 KiB
C
60 lines
1.7 KiB
C
/*
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* GRUB -- GRand Unified Bootloader
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* Copyright (C) 2011 Free Software Foundation, Inc.
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*
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* GRUB is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* GRUB is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with GRUB. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <grub/relocator.h>
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#include <grub/cpu/relocator.h>
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#include <grub/misc.h>
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#include <grub/mm.h>
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#include <grub/cpu/reboot.h>
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#include <grub/i386/floppy.h>
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void
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grub_reboot (void)
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{
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struct grub_relocator *relocator = NULL;
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grub_relocator_chunk_t ch;
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grub_err_t err;
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void *buf;
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struct grub_relocator16_state state;
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grub_uint16_t segment;
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relocator = grub_relocator_new ();
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if (!relocator)
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while (1);
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err = grub_relocator_alloc_chunk_align (relocator, &ch, 0x1000, 0x1000,
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grub_reboot_end - grub_reboot_start,
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16, GRUB_RELOCATOR_PREFERENCE_NONE,
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0);
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if (err)
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while (1);
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buf = get_virtual_current_address (ch);
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grub_memcpy (buf, grub_reboot_start, grub_reboot_end - grub_reboot_start);
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segment = ((grub_addr_t) get_physical_target_address (ch)) >> 4;
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state.gs = state.fs = state.es = state.ds = state.ss = segment;
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state.sp = 0;
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state.cs = segment;
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state.ip = 0;
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state.a20 = 0;
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grub_stop_floppy ();
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err = grub_relocator16_boot (relocator, state);
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while (1);
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}
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